mcs/class/System/System.CodeDom.Compiler/TempFileCollection.cs

   1 //
   2 // System.CodeDom.Compiler TempFileCollection Class implementation
   3 //
   4 // Author:
   5 //      Dick Porter (dick@ximian.com)
   6 //
   7 // (C) Copyright 2003 Ximian, Inc.
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.IO;
  32 using System.Collections;
  33
  34 namespace System.CodeDom.Compiler
  35 {
  36         public class TempFileCollection:ICollection, IEnumerable, IDisposable
  37         {
  38                 Hashtable filehash;
  39                 string tempdir;
  40                 bool keepfiles;
  41                 string basepath;
  42                 Random rnd;
  43
  44                 public TempFileCollection(): this(null, false)
  45                 {
  46                 }
  47
  48                 public TempFileCollection(string tempDir): this(tempDir, false)
  49                 {
  50                 }
  51
  52                 public TempFileCollection(string tempDir, bool keepFiles)
  53                 {
  54                         filehash=new Hashtable();
  55                         tempdir=tempDir;
  56                         keepfiles=keepFiles;
  57                 }
  58
  59                 public string BasePath
  60                 {
  61                         get {
  62                                 if(basepath==null) {
  63                                         if (tempdir==null) {
  64                                                 /* Get the system temp dir */
  65                                                 MonoIO.GetTempPath(out tempdir);
  66                                         }
  67
  68                                         if (rnd == null)
  69                                                 rnd = new Random ();
  70
  71                                         string random = rnd.Next (10000,99999).ToString ();
  72                                         basepath = Path.Combine (tempdir, random);
  73                                 }
  74
  75                                 return(basepath);
  76                         }
  77                 }
  78
  79                 public int Count
  80                 {
  81                         get {
  82                                 return(filehash.Count);
  83                         }
  84                 }
  85
  86                 public bool KeepFiles
  87                 {
  88                         get {
  89                                 return(keepfiles);
  90                         }
  91                         set {
  92                                 keepfiles=value;
  93                         }
  94                 }
  95
  96                 public string TempDir
  97                 {
  98                         get {
  99                                 if(tempdir==null) {
 100                                         return(String.Empty);
 101                                 } else {
 102                                         return(tempdir);
 103                                 }
 104                         }
 105                 }
 106
 107                 public string AddExtension(string fileExtension)
 108                 {
 109                         return(AddExtension(fileExtension, keepfiles));
 110                 }
 111
 112                 public string AddExtension(string fileExtension, bool keepFile)
 113                 {
 114                         string filename=BasePath+"."+fileExtension;
 115                         AddFile(filename, keepFile);
 116                         return(filename);
 117                 }
 118
 119                 public void AddFile(string fileName, bool keepFile)
 120                 {
 121                         filehash.Add(fileName, keepFile);
 122                 }
 123
 124                 public void CopyTo(string[] fileNames, int start)
 125                 {
 126                         filehash.Keys.CopyTo(fileNames, start);
 127                 }
 128
 129                 void ICollection.CopyTo(Array array, int start)
 130                 {
 131                         filehash.Keys.CopyTo(array, start);
 132                 }
 133
 134                 object ICollection.SyncRoot {
 135                         get {
 136                                 return filehash.SyncRoot;
 137                         }
 138                 }
 139
 140                 bool ICollection.IsSynchronized {
 141                         get {
 142                                 return(false);
 143                         }
 144                 }
 145
 146                 void IDisposable.Dispose()
 147                 {
 148                         Dispose(true);
 149                 }
 150
 151                 public void Delete()
 152                 {
 153                         string[] filenames=new string[filehash.Count];
 154                         filehash.Keys.CopyTo(filenames, 0);
 155
 156                         foreach(string file in filenames) {
 157                                 if((bool)filehash[file]==false) {
 158                                         File.Delete(file);
 159                                         filehash.Remove(file);
 160                                 }
 161                         }
 162                 }
 163
 164                 public IEnumerator GetEnumerator()
 165                 {
 166                         return(filehash.Keys.GetEnumerator());
 167                 }
 168
 169                 protected virtual void Dispose(bool disposing)
 170                 {
 171                         Delete();
 172                 }
 173
 174                 ~TempFileCollection()
 175                 {
 176                         Dispose(false);
 177                 }
 178
 179         }
 180 }